Other features available > Features available in Sketch mode > The Signal bus feature
Access to signal bus variables in contextual views
Any variable you select from a signal bus is available in the contextual views of both bus creators and bus selectors. Variables not selected are not shown in the variables contextual view.
Bus junctions do not display any of the variables involved in a signal bus.
Figure 412: Signal Bus variables
Note
This behavior is current as of version 2504. In previous releases, all variables contained in the signal bus were available in the variables contextual view. This is no longer the case.
Source: https://docs.sw.siemens.com/en-US/doc/254352342/PL20250521841123434.amesim_collection.Reference/gcy1743770036041 · retrieved 2026-07-17